Beretta b11bs, Installer And User Manual

Page: 17 / 104

17
English
Description of commands
Heating water temperature selector: sets the heating water
temperature.
Domestic hot water temperature selector (C case only): sets
the domestic hot water temperature storaged in the water tank.
Setting parameters selector (cases A, B and C): using in
calibration and programmation phase.
Function key:
- ON the boiler is electrically powered and waiting for
operating requests (
- )
- OFF the boiler is electrically powered but will not respond
to operating requests
- RESET resets the boiler following a fault
Operating mode button: button allows to choose the
desired operating mode: pressing it, the indicator “function
selector”
moves to: (winter) or (summer, only if
water-tank connected).
Info button: shows a sequence of information concerning the
operating status of the machine.
Fig. 45
Description of display symbols
graduated heating water temperature scale with heating
function symbol
graduated domestic hot water temperature scale (shown
in C case only)
domestic hot water function symbol (shown in B and C
cases)
fault symbol (for details, please see page 21)
reset symbol (for details, please see page 21)
pressure value
external sensor connection
heating/domestic hot water temperature (shown in C case
only)
or
fault symbol (e.g. 10 - no flame)
function selector (turned to the chosen operating mode:
winter or summer (only if water-tank connected)
burner operating symbol
anti-freeze function active symbol
Fig. 46
13
.
START-UP AND OPERATION
(R.A.I. - MIX R.S.I.)
This boiler is able to operate in different conditions:
CASE A) only heating
CASE B) only heating with external water tank connected,
managed by a thermostat, to prepare domestic hot
water
CASE C) only heating with external water tank connected,
managed by a temperature sensor (kit available
upon request), to prepare domestic hot water.
Depending on the type of installation selected, it is necessary
to set the parameter “domestic hot water mode”. This operation
must be performed by a Technical Service Centre when
starting-up the boiler.
Domestic hot water
temperature selector
(C case only)
Operating
mode button
ON-OFF-RESET
function selector
INFO
button
Heating water
circuit temperature
selector
Setting
parameters
selector